It depends. Some meetings can end in 20 minutes, perhaps 30. For others, 2h30m is a more suitable timeframe. Longer than that and a break is advisable.
I am a Digital Marketing freelancer. My expertise is in SEO (Search Engine Optimization) / UX (user experience) / WordPress. Co-founder of lumeaseoppc.ro (series of events on SEO & PPC) and cetd.ro (Book on branding for MDs). On a personal level, I like self-development - events, sports, healthy living, volunteering, reading, watching movies, listening to music.